266936026 has 12 divisors (see below), whose sum is σ = 465776298. Its totient is φ = 114401112.

The previous prime is 266936011. The next prime is 266936027. The reversal of 266936026 is 620639662.

It can be written as a sum of positive squares in only one way, i.e., 202920025 + 64016001 = 14245^2 + 8001^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 266936026.

It is not an unprimeable number, because it can be changed into a prime (266936027) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1361821 + ... + 1362016.

Almost surely, 2^266936026 is an apocalyptic number.

266936026 is a deficient number, since it is larger than the sum of its proper divisors (198840272).

266936026 is a wasteful number, since it uses less digits than its factorization.

266936026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2723853 (or 2723846 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 40.

The square root of 266936026 is about 16338.1769484848. The cubic root of 266936026 is about 643.8762364562.

The spelling of 266936026 in words is "two hundred sixty-six million, nine hundred thirty-six thousand, twenty-six".